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NIS Sound Systems, Inc. produces and sells sound systems for both home and auto. DVD players used in the assembly of NIS systems are purchased from BUN Electronics. NIS purchasing agent currently submits a purchase requisition for DVD players 13 times a year, and their order size generally remains fixed from cycle to cycle. The company's annual requirements for DVD players total 5,000 units (20 units per working day), and the cost per unit is $60. The supplier has been quite reliable with deliveries; total time between date of order and the date of receipt is 5 days. Associated with the purchase of each shipment is ordering cost. This cost, which amounts to $20 per order, includes the cost of preparing the requisition, inspecting the delivered goods, and issuing a check for payment. In addition to the ordering cost, NIS incurs inventory carrying cost that includes cost of capital, insurance, storage, handling, tax and so forth. This cost equals 10 percent of the purchase cost per unit per year. Beginning on September 2010, NIS management would like to embark on a companywide cost-control program in an attempt to improve its profits. One area to be closely scrutinized for possible cost savings is inventory management. Given this strong pressure from top management, the operations manager, Ms. Mary Jones, wants to know if there would be any possible cost savings in her area. More specially, she would like to understand how much costs could be saved from an effective inventory policy.
Draw layout of hydro-electric power plant and illustrate it briefly. Explain the following: a. Types of power plants b. Selection of power Plants
Q. A transformer is rated 10 kVA, 220:110 V (rms). Consider it an ideal transformer. (a) Compute the turns ratio and the winding current ratings. (b) If a 2-load resistance
1. Sum of forces is zero velocity remains constant.[If the particle is initially at rest, it will remain at rest for as long as the sum of the forces is zero]. 2. Sum F of for
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winding turns of 415v step down transformer on 50%, 60% & 80% tapping
Q. A 230-V, single-phase, 60-Hz source supplies two loads in parallel. One draws 10 kVA at a lagging power factor of 0.80 and the other draws 6 kWat a lagging power factor of 0.90.
Q. A 10-kVA transformer is known to have an iron loss of 150 W and a full-load copper loss of 250 W. If the transformer has the following load cycle, compute its all-day efficiency
This is a synchronous motor that does not require a special start-up auxiliary motor. The rotor consists of stout copper (or aluminium) conductors arranged in the form of
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Discuss the various types of memory devices that you are familiar with. All of the memory utilized as main store in a modern computer is implemented like semiconductors fabrica
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